/*++

  Copyright (c) 2004  - 2014, Intel Corporation. All rights reserved.<BR>
                                                                                   
  SPDX-License-Identifier: BSD-2-Clause-Patent

                                                                                   

Module Name:

  McfgTable.h

Abstract:

  ACPI Memory mapped configuration space base address Description Table
  definition, based on PCI Firmware Specification Revision 3.0 final draft,
  downloadable at http://www.pcisig.com/home

**/

#ifndef _MCFG_TABLE_H_
#define _MCFG_TABLE_H_

//
// Include files
//
#include <PiDxe.h>

//
// Ensure proper structure formats
//
#pragma pack(1)

//
// MCFG Revision (defined in spec)
//
#define EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_REVISION  0x01

//
// MCFG Structure Definitions
//
//
// Memory Mapped Enhanced Configuration Base Address Allocation
// Structure Definition
//
typedef struct {
  UINT64  BaseAddress;
  UINT16  PciSegmentGroupNumber;
  UINT8   StartBusNumber;
  UINT8   EndBusNumber;
  UINT32  Reserved;
} EFI_ACPI_MEMORY_MAPPED_ENHANCED_CONFIGURATION_BASE_ADDRESS_STRUCTURE;

//
// MCFG Table header definition.  The rest of the table
// must be defined in a platform specific manner.
//
typedef struct {
  EFI_ACPI_DESCRIPTION_HEADER Header;
  UINT64                      Reserved;
} EFI_ACPI_MEMORY_MAPPED_CONFIGURATION_BASE_ADDRESS_TABLE_HEADER;

#pragma pack()

#endif // _MCFG_TABLE_H
